Drying-cylinder for fibrous manufactures



H. w. PEASLEE.

Drying Cylinder. No. 16,149. Patented Dec. 2-, 1856.

Wa'Znesse s yamfi il My mum mn-Lilhognphcn vamn mm 0.9.

UNITED STATES PATENT OFFICE.

HORACE \V. PEASLEE, OF MALDEN BRIDGE, NEW YORK.

DRYING-CYLINDER FOR FIBROUS MANUFACTURES.

Specification of Letters Patent No. 16,149, dated December 2, 1856.

To all whom it may concern: 7

Be it known that I, HORACE W. PEASLEE, of Malden Bridge, in the county of Columloia and State of New York, have invented a new and Improved Mode of Constructing Cylinders for Drying Paper, Cloth, or other Fabrics; and I do hereby declare the following to be a full-and exact description thereof, reference being had to the annexed drawings, making a part of this specification, in which Figure 1, is a plan, with a portion of the casing removed for the purpose of showing the coil of pipe; Fig. 2, an end elevation, with one of the heads removed; Fig. 3, a transverse section of one of the heads showing the attachment of the pipes to the heads; the letters of reference marked thereon being the same in each figure.

The nature of my invention consists in constructing a cylinder in such a way as to present a large radiating surface while using but a small amount of steam, as compared with the cylinders ordinarily used for such purposes.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

A, A, are metallic heads of any desired size, having on their outer faces hollow hubs, which are used as stufling boxes for the induction and eduction pipes; B, a lining composed of wooden staves, held to the under side of the rim of the heads A, A, by means of bolts or screws; C, a covering of felting or other non-conducting substance covering the lining, B; D a helical coil of pipe running from one end of the cylinder to the other, and having its terminations carried to the center of the heads, and opening into the stuffing boxes; E a metallic casing, fastened to the heads A, A, entirely inclosing the coils and forming the heating or drying surface of the cylinder.

The induction and eduction pipes are inserted in either head on opposite ends of the cylinder, packing being put into the stuffing boxes to prevent the leakage of steam, but allowing the cylinder to revolve freely. Steam being admitted into the coil, the heat radiating from the coil passes through the metallic casing E; its escape toward the center or axis of the cylinder being pre vented by means of the felting C, and the wooden lining B, whereby a great saving of heat is effected, which is usually lost by means of the radiating and condensing surfaces of the heads of cylinders ordinarily used for such purposes; I also gain a larger radiating surface, and use less steam to produce a given amount of heat than is now obtained by such cylinders.

What I claim as my improvement in drying cylinders is The employment of a spiral tubular heater upon a nonconducting cylinder in combination with an exterior metallic casing as set forth. 7

HORACE V. PEASLEE.

Witnesses D. HAIGHT, WVM. H. Low. 

